Author: Betsy Yu

Networking hardware company—Cisco, is upgrading its firewall technologies and even its own certification courses to better meet newer challenges in network security. Cisco has introduced a new “reimagined” firewall that adds a level of security smarts that could eventually show…

At Mobile World Congress on Tuesday, Cisco announced its take on the reshaping of mobile networks that is emerging, saying it can build a Wi-Fi infrastructure spanning all the way from the access point to the core network. It unveiled products designed to…

Cisco is planning to acquire Allentown, Pennsylvania-based Company Lightwire Inc. to add optical connectivity in its high-speed networks. The acquisition will allow Cisco to deliver cost-effective, high-speed networks with the next generation of optical connectivity, allowing service provider and data…

Cisco announced its coherent 100 Gigabit (100G) dense wavelength division multiplexing (DWDM) solution, which exceeds 3,000 km in reach, without the need for complex Raman optical amplification technology or signal regeneration signals. This distance is 50% further than any non-Raman…

How to migrate from a Catalyst-based data center to a Nexus-based data center? Are you still confused with layer 2 and Layer 3? Maybe the following document written by Jeremy Filliben can help you become a network expert. Migrating from…

“Video will be the platform for all forms of communication in IT as we go forward. Cisco no longer makes devices that are not video capable.” John Chambers, CEO of networking company Cisco, said at the Oracle Open World conference…

What do people thought about Juniper’s EX switches Vs. Cisco Catalysts switches? Someone may answer like these: “Well the Juniper switches are much cheaper, that’s for sure. I don’t understand this Cisco-only mentality that’s out there – why would I…

Greenpeace released the latest version of its Cool IT Leaderboard, tracking progress among 21 IT companies in embracing green energy for their own operations as well as advocating for policies that promote clean energy use worldwide. Google came out on…

An Ethernet crossover cable is a type of Ethernet cable used to connect computing devices together directly. Normal straight through or patch cables were used to connect from a host network interface controller (a computer or similar device) to a…

What is the difference between an ethernet cable and an ethernet “crossover” cable? I would like to wire my two computers together so that data could be transferred. Both computers have an available ethernet port. I have additional ethernet cables…

Cisco has appealed the European Commission’s approval of Microsoft’s Skype acquisition, asking for new conditions concerning interoperability. Cisco, the biggest maker of networking equipment, said that it is challenging Microsoft’s $8.5 billion takeover of Skype at the European Union’s top…

According to the Cisco Visual Networking Index (VNI) Global Mobile Data Traffic Forecast for 2011 to 2016, worldwide mobile data traffic will increase 18-fold over the next five years, reaching 10.8 exabytes per month — or an annual run rate…

Summary: Cisco announced that the company will resell VMware View(TM) 5 software as part of an integrated desktop virtualization solution that is based on Cisco Unified Computing System (UCS) to simplify the secure and scalable deployment of virtual desktops across…

“Cisco was focused on flip cameras and consumer devices,” said analyst Zeus Kerravala. Cisco CEO John Chambers “made the promise that networking was going to be a focus for them last year and it has been. Now margins for switches…

Ethernet refers to the family of Local Area Network (LAN) implementation. Ethernet is actually the most popular Local Area Network architecture that consists of Ethernet specifications and standards as well as Ethernet hardware devices such as Ethernet splitter, Ethernet drivers…

Speaking of local area networks, or LANs, they are smaller networks, usually within an office base. LAN is used to connect computing resources, typically inside one building. The computing resources can be computers, printers, servers, IP phones, or gateways. Connections…

Cisco’s NPS: The Cisco Network Positioning System (NPS) provides and manages virtual cloud-based services and other network applications from the network. It is built on advanced network features and the intelligence inside next generation networks (NGN), and further aggregates the…

Networks are divided into two types, a LAN (Local Area Network) or a WAN (Wide Area Network), which are generic terms referring to two important basic types of networks. The Internet can be thought of as a bunch of LANs interconnected by…

When an individual Company or Organization has locations that are separated by large geographical distances, it will be a matter of necessity to connect these individual locations so as to share, exchange and manager data or communication. To achieve this,…

Padmasree Warrior—Cisco’s chief technology officer talks up vendor’s software, server and switching skills in opening speech at Cisco Live event. Cisco’s chief technology officer has claimed that software will soon be seen as one of the vendor’s “core competencies”, with…

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